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f23a6e1a | 1 | // $Id$ |
2 | ||
a3c9b745 | 3 | //************************************************************************** |
4 | //* This file is property of and copyright by the ALICE HLT Project * | |
5 | //* ALICE Experiment at CERN, All rights reserved. * | |
6 | //* * | |
7 | //* Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> * | |
8 | //* Timm Steinbeck <timm@kip.uni-heidelberg.de> * | |
9 | //* for The ALICE HLT Project. * | |
10 | //* * | |
11 | //* Permission to use, copy, modify and distribute this software and its * | |
12 | //* documentation strictly for non-commercial purposes is hereby granted * | |
13 | //* without fee, provided that the above copyright notice appears in all * | |
14 | //* copies and that both the copyright notice and this permission notice * | |
15 | //* appear in the supporting documentation. The authors make no claims * | |
16 | //* about the suitability of this software for any purpose. It is * | |
17 | //* provided "as is" without express or implied warranty. * | |
18 | //************************************************************************** | |
f23a6e1a | 19 | |
f27cf33a | 20 | // @file AliHLT_C_Component_WrapperInterface.cxx |
21 | // @author Matthias Richter, Timm Steinbeck | |
22 | // @date | |
23 | // @brief Old C interface to the AliRoot HLT component handler | |
24 | // @note This interface is deprecated, the new interface is defined | |
25 | // in HLT/BASE/AliHLTExternalInterface | |
f23a6e1a | 26 | |
f23a6e1a | 27 | #include "AliHLT_C_Component_WrapperInterface.h" |
28 | #include "AliHLTComponentHandler.h" | |
29 | #include "AliHLTComponent.h" | |
cc484ed9 | 30 | #include "AliHLTMisc.h" |
f23a6e1a | 31 | #include <errno.h> |
32 | ||
c515df4c | 33 | using namespace std; |
34 | ||
f23a6e1a | 35 | static AliHLTComponentHandler *gComponentHandler_C = NULL; |
9a0ef890 | 36 | static AliHLTRunDesc gRunDesc=kAliHLTVoidRunDesc; |
37 | static char* gRunType=NULL; | |
f23a6e1a | 38 | |
f7561f8d | 39 | int AliHLT_C_Component_InitSystem( AliHLTComponentEnvironment* comenv ) |
f23a6e1a | 40 | { |
f27cf33a | 41 | // init the HLT system |
f23a6e1a | 42 | if ( gComponentHandler_C ) |
43 | { | |
44 | return EINPROGRESS; | |
45 | } | |
9a0ef890 | 46 | |
a3c9b745 | 47 | // July 2008 |
3ff6ace7 | 48 | // Due to a bug in the SimpleComponentWrapper and AliRootWrapperSubscriber |
49 | // the fStructSize member was never initialized and we can not use this | |
a3c9b745 | 50 | // method of synchronizing different versions. |
51 | // This interface is now deprecated, only kept for backward compatibility. | |
52 | // All function pointers are explicitely mapped to the new structure. | |
53 | ||
54 | AliHLTAnalysisEnvironment mappedEnv; | |
55 | memset(&mappedEnv, 0, sizeof(mappedEnv)); | |
56 | mappedEnv.fStructSize=sizeof(mappedEnv); | |
57 | if (comenv) { | |
58 | mappedEnv.fParam = comenv->fParam; | |
59 | mappedEnv.fAllocMemoryFunc = comenv->fAllocMemoryFunc; | |
60 | mappedEnv.fGetEventDoneDataFunc= comenv->fGetEventDoneDataFunc; | |
61 | mappedEnv.fLoggingFunc = comenv->fLoggingFunc; | |
62 | } | |
63 | ||
64 | gComponentHandler_C = new AliHLTComponentHandler(&mappedEnv); | |
f23a6e1a | 65 | if ( !gComponentHandler_C ) |
66 | return EFAULT; | |
a742f6f8 | 67 | gComponentHandler_C->InitAliLogTrap(gComponentHandler_C); |
fa760045 | 68 | gComponentHandler_C->AnnounceVersion(); |
f23a6e1a | 69 | return 0; |
70 | } | |
71 | ||
72 | int AliHLT_C_Component_DeinitSystem() | |
73 | { | |
f27cf33a | 74 | // De-init the HLT system and clean-up internal memory |
f23a6e1a | 75 | if ( gComponentHandler_C ) |
76 | { | |
77 | delete gComponentHandler_C; | |
78 | gComponentHandler_C = NULL; | |
79 | } | |
80 | return 0; | |
81 | } | |
82 | ||
83 | int AliHLT_C_Component_LoadLibrary( const char* libraryPath ) | |
84 | { | |
f27cf33a | 85 | // load a component library |
f23a6e1a | 86 | if ( !gComponentHandler_C ) |
87 | return ENXIO; | |
88 | return gComponentHandler_C->LoadLibrary( libraryPath ); | |
89 | } | |
90 | ||
d76bc02a | 91 | int AliHLT_C_Component_UnloadLibrary( const char* /*libraryPath*/ ) |
f23a6e1a | 92 | { |
f27cf33a | 93 | // unload a component library |
f23a6e1a | 94 | if ( !gComponentHandler_C ) |
95 | return ENXIO; | |
cbd84228 | 96 | // Matthias 26.10.2007 |
97 | // Unloading of libraries has to be re-worked. It has been commented out here | |
98 | // since the libraries will be unloaded at the destruction of the component | |
99 | // handler instance anyway. So it has no effect to the operation in PubSub. | |
100 | // With the introduction of the dynamic component registration via module | |
101 | // agents we run into trouble when cleaning up the samples managed by the | |
102 | // component handler. Destruction of the sample objects is done AFTER | |
103 | // unloading of the library and thus the destructor is not present any | |
104 | // more. | |
105 | //return gComponentHandler_C->UnloadLibrary( libraryPath ); | |
106 | return 0; | |
f23a6e1a | 107 | } |
108 | ||
f7561f8d | 109 | int AliHLT_C_CreateComponent( const char* componentType, void* environParam, int argc, const char** argv, AliHLTComponentHandle* handle ) |
f23a6e1a | 110 | { |
f27cf33a | 111 | // create a component |
f23a6e1a | 112 | if ( !gComponentHandler_C ) |
113 | return ENXIO; | |
3294f81a | 114 | if ( !handle ) return EINVAL; |
b2065764 | 115 | AliHLTComponent* comp=NULL; |
116 | const char* cdbPath = getenv("ALIHLT_HCDBDIR"); | |
117 | if (!cdbPath) cdbPath = getenv("ALICE_ROOT"); | |
f323c990 | 118 | int ret = gComponentHandler_C->CreateComponent( componentType, comp); |
9a0ef890 | 119 | if (ret>=0 && comp) { |
cc484ed9 | 120 | AliHLTMisc::Instance().InitCDB(cdbPath); |
121 | AliHLTMisc::Instance().SetCDBRunNo(gRunDesc.fRunNo); | |
9a0ef890 | 122 | comp->SetRunDescription(&gRunDesc, gRunType); |
a3c9b745 | 123 | const AliHLTAnalysisEnvironment* comenv=gComponentHandler_C->GetEnvironment(); |
9a0ef890 | 124 | ret=comp->Init(comenv, environParam, argc, argv); |
125 | } | |
f23a6e1a | 126 | *handle = reinterpret_cast<AliHLTComponentHandle>( comp ); |
3294f81a | 127 | |
f23a6e1a | 128 | return ret; |
129 | } | |
130 | ||
131 | void AliHLT_C_DestroyComponent( AliHLTComponentHandle handle ) | |
132 | { | |
f27cf33a | 133 | // destroy a component |
f23a6e1a | 134 | if ( !handle ) |
135 | return; | |
3cde846d | 136 | |
137 | AliHLTComponent* pComp=reinterpret_cast<AliHLTComponent*>( handle ); | |
138 | pComp->Deinit(); | |
139 | delete pComp; | |
f23a6e1a | 140 | } |
141 | ||
45c0a780 | 142 | int AliHLT_C_SetRunDescription(const AliHLTRunDesc* desc, const char* runType) |
143 | { | |
f27cf33a | 144 | // set run description |
45c0a780 | 145 | if (!desc) return -EINVAL; |
146 | if (desc->fStructSize<sizeof(AliHLTUInt32_t)) return -EINVAL; | |
147 | if (!gComponentHandler_C) return ENXIO; | |
148 | ||
9a0ef890 | 149 | memcpy(&gRunDesc, desc, desc->fStructSize<sizeof(gRunDesc)?desc->fStructSize:sizeof(gRunDesc)); |
150 | gRunDesc.fStructSize=sizeof(gRunDesc); | |
151 | if (gRunType) delete [] gRunType; | |
152 | gRunType=NULL; | |
153 | if (runType) { | |
154 | gRunType=new char[strlen(runType)+1]; | |
155 | if (gRunType) strcpy(gRunType, runType); | |
156 | } | |
157 | return 0; | |
45c0a780 | 158 | } |
159 | ||
f7561f8d | 160 | int AliHLT_C_ProcessEvent( AliHLTComponentHandle handle, const AliHLTComponentEventData* evtData, const AliHLTComponentBlockData* blocks, |
161 | AliHLTComponentTriggerData* trigData, AliHLTUInt8_t* outputPtr, | |
f23a6e1a | 162 | AliHLTUInt32_t* size, AliHLTUInt32_t* outputBlockCnt, |
f7561f8d | 163 | AliHLTComponentBlockData** outputBlocks, |
164 | AliHLTComponentEventDoneData** edd ) | |
f23a6e1a | 165 | { |
f27cf33a | 166 | // process one event |
f23a6e1a | 167 | if ( !handle ) |
168 | return ENXIO; | |
169 | AliHLTComponent* comp = reinterpret_cast<AliHLTComponent*>( handle ); | |
71d7c760 | 170 | return comp->ProcessEvent( *evtData, blocks, *trigData, outputPtr, *size, *outputBlockCnt, *outputBlocks, *edd ); |
171 | } | |
172 | ||
f7561f8d | 173 | int AliHLT_C_GetOutputDataType( AliHLTComponentHandle handle, AliHLTComponentDataType* dataType ) |
71d7c760 | 174 | { |
f27cf33a | 175 | // get output data type of a component |
71d7c760 | 176 | if ( !handle ) |
177 | return ENXIO; | |
178 | AliHLTComponent* comp = reinterpret_cast<AliHLTComponent*>( handle ); | |
179 | *dataType = comp->GetOutputDataType(); | |
180 | return 0; | |
181 | } | |
182 | ||
183 | int AliHLT_C_GetOutputSize( AliHLTComponentHandle handle, unsigned long* constBase, double* inputMultiplier ) | |
184 | { | |
f27cf33a | 185 | // get output data size of a component |
71d7c760 | 186 | if ( !handle ) |
187 | return ENXIO; | |
188 | AliHLTComponent* comp = reinterpret_cast<AliHLTComponent*>( handle ); | |
189 | comp->GetOutputDataSize( *constBase, *inputMultiplier ); | |
190 | return 0; | |
f23a6e1a | 191 | } |